Deolis Guerra vs. Mutt Williams — Career Comparison

Looking at the career totals, Deolis Guerra and Mutt Williams are fairly close on the surface numbers. Deolis Guerra posted stronger numbers in ERA (4.54 vs 4.91) and WHIP (1.239 vs 1.364). Mutt Williams had the advantage in home runs allowed (0.82 per nine innings vs 1.44). By the career numbers, Deolis Guerra had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.